000
00250nam a2200109Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
JAIN (VIBHA)
245
0
_a
APPLIED PHYSICS
250
_a
2ND
260
_b
DELHI, DHANPAT RAI & CO.
942
_2
ddc
999
_c
99378
_d
99378